= Water twice per month or less, once established.
= Water about once per week, once established.
= Water about twice per week, once established.
= Water three days per week, or more.
Use the plant water needs as a guideline. Actual plant water needs will vary for several reasons, including weather conditions, soil type, sun exposure, root depth, wind and elevation. Adjust your watering schedule as needed to meet the plants' needs at your site. Water recent transplants more often than established plants.
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Penstemon x mexicali 'Psmyers'
low
lavender-blue
May to September
18 to 24 in.
15 to 18 in.
No
hybrid from Mexican and American penstemons
sun, part shade
USDA zones 4-8
hardy to 7,000 ft.
Shadow Mountain penstemon is an easy-to-grow perennial flower. Its glossy, narrow green leaves form an attractive mound.
In mid-summer, it produces lavender-blue flowers with reddish veining and a bright white throat. This is a good choice for Colorado Springs landscapes because it can tolerate a variety of moisture levels and soil types.
It is similar to Pikes Peak purple penstemon but is a little taller, blooms for a longer period of time, and its flowers are lighter purple.
This has been a great plant in the Xeriscape Demonstration Garden. It is a reliable bloomer, has nice green leaves, and is easy to grow. We highly recommend this plant.
Remove old plant material in the spring before new growth starts. Removing the spent flowers will encourage some additional blooms.
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